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Which MySQL datatype to use for an IP address? [duplicate]
...P I used before
The second solution will require less space in the database, and is probably a better choice, even if it implies a bit of manipulations when storing and retrieving the data (converting it from/to a string).
About those manipulations, see the ip2long() and long2ip() functions, on...
Javascript object Vs JSON
...PHP), they can recreate the JavaScript object we had into their own object based on the JSON representation of the object.
It is important to note that JSON cannot represent functions or dates. If you attempt to stringify an object with a function member, the function will be omitted from the JSON ...
How to pass parameters correctly?
...angerous!
}
Also notice, that you normally do not resort to the template-based solution unless you have a good reason for it, as it makes your code harder to read. Normally, you should focus on clarity and simplicity.
The above are just simple guidelines, but most of the time they will point you ...
Git submodule update
...epo];
# update your submodule
git submodule update --remote
# or (with rebase)
git submodule update --rebase --remote
See "git submodule update --remote vs git pull".
MindTooth's answer illustrate a manual update (without local configuration):
git submodule -q foreach git pull -q origin maste...
What does “coalgebra” mean in the context of programming?
...rmation Identity → f.
Now we can think about a monad as just an algebra based around some functor f with operations f ∘ f → f and Identity → f. Doesn't this look familiar? It's very similar to a monoid, which was just some type τ with operations τ × τ → τ and () → τ.
So a monad i...
Word wrapping in phpstorm
...hat are wrapped by the editor.
This plugin can be installed from any IDEA-based IDE by searching for Wrap to Column.
It has the additional benefit that you can choose to wrap only sections of text that you want :-)
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Ruby on Rails Server options [closed]
... EventMachine library. Other than using the Mongrel HTTP parser, it is not based on Mongrel in any way. Its cluster mode has no process monitoring so you need to monitor crashes etc. There is no Unicorn-like shared socket, so each process listens on its own socket. In theory, Thin's I/O model allows...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
... For those who are stumped, the ViewType must return a zero based index . eg (0, 1, 2...). in my case i tried to reuse the R.layout... for the ViewType. i guess internally the ViewType's value is being used as the index for recycling pool and not as a key.
– Samu...
valueOf() vs. toString() in Javascript
...operands, and then decides if addition or concatenation should be applied, based on the type of each primitive.
So, this is how you think it works
a + b:
pa = ToPrimitive(a)
if(pa is string)
return concat(pa, ToString(b))
else
return add(pa, ToNumber(b))
and this is wha...
String isNullOrEmpty in Java? [duplicate]
...
com.google.common.base.Strings.isNullOrEmpty(String string) from Google Guava
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